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kd-pan-upload

v1.4.3

Published

kd pan upload ======================================

Downloads

27

Readme

kd pan upload

这是一个用于文件上传的插件

安装

npm i kd-pan-upload

支持

该插件不支持flash上传

特性

分片、并发

分片与并发结合,将一个大文件分割成多块,并发上传,极大地提高大文件的上传速度。

当网络问题导致传输错误时,只需要重传出错分片,而不是整个文件。另外分片传输能够更加实时的跟踪上传进度。

预览、压缩

支持常用图片格式jpg,jpeg,gif,bmp,png预览与压缩,节省网络数据传输。

解析jpeg中的meta信息,对于各种orientation做了正确的处理,同时压缩后上传保留图片的所有原始meta数据。

多途径添加文件

支持文件多选,类型过滤,拖拽(文件&文件夹),图片粘贴功能。

粘贴功能主要体现在当有图片数据在剪切板中时(截屏工具如QQ(Ctrl + ALT + A), 网页中右击图片点击复制),Ctrl + V便可添加此图片文件。

MD5秒传

当文件体积大、量比较多时,支持上传前做文件md5值验证,一致则可直接跳过。

如果服务端与前端统一修改算法,取段md5,可大大提升验证性能,耗时在20ms左右。

易扩展、可拆分

采用可拆分机制, 将各个功能独立成了小组件,可自由搭配。

采用AMD规范组织代码,清晰明了,方便高级玩家扩展。